Emotet Office (OLE) / .DOCX malware analysis — malicious · 9895cbda416306bb

MALICIOUS

Office (OLE) / .DOCX

163.5 KB Created: 2020-09-22 18:24:00 Authoring application: Microsoft Office Word

MD5: 4d412899f3386ac6b5dc0c3b72f868a0 SHA-1: b8099790b3f0334207c94ad11c0a8adda4c718b1 SHA-256: 9895cbda416306bb0fea5069cc2c9525a714f63de4260492ec34e1d5697ae24b

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open auto-exec macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-9765458-0', suggesting it's a downloader for the Emotet banking trojan. The macros likely leverage CreateObject and GetObject calls to download and execute a second-stage payload.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject call
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://schemas.openxmlformats.org/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `bd654d20c055e0b0e127587789558080b1c423748b3142eb9ab3aa76d6d97f9b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20393 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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